How much eroded sediment is carried to the oceans of the world each year. 25 million pounds
100 million pounds
25 billion tons

What is the function of the root cap? a. extra-absorbent cells in the root cap absorb more water and nutrients b. protect the meristematic area of the stem c. contains sensors for sunlight d. increases surface area of the root

49 ! how are energy cycles and growth cycles related?

What is required in the genotype of an individual to show a recessive trait? a.two recessive alleles b.at least one recessive allele c.no recessive alleles